From c62d406d87be204348011aac13db026e75956b7a Mon Sep 17 00:00:00 2001
From: kevin <lipengfei.dev@gmail.com>
Date: Sun, 18 Jun 2023 21:07:45 +0800
Subject: [PATCH] Slow down display of BW and SNR

Add a timer for display.
---
 TEF6686_ESP32.ino | 56 ++++++++++++++++++++++++++++-------------------
 src/TEF6686.h     |  4 ++++
 2 files changed, 37 insertions(+), 23 deletions(-)

diff --git a/TEF6686_ESP32.ino b/TEF6686_ESP32.ino
index 35bcc6e..4f91ede 100644
--- a/TEF6686_ESP32.ino
+++ b/TEF6686_ESP32.ino
@@ -141,6 +141,8 @@ uint16_t SWMIBandPosold;  // Fix Me: Should store this parameter into flash, for
 String SWMIBandstring = String();
 String SWMIBandstringold = String();
 int lowsignaltimer;
+int bwupdatetimer;
+int snrupdatetimer;
 int menuoption = 30;
 int MStatusold;
 int OStatusold;
@@ -2809,17 +2811,21 @@ void ShowSignalLevel() {
   if (screenmute == false) {
     if (band == BAND_FM) SNR = int(0.46222375 * (float)(SStatus / 10) - 0.082495118 * (float)(USN / 10)) + 10; else SNR = -((int8_t)(USN / 10));
 
-    if (SNR > (SNRold + 1) || SNR < (SNRold - 1)) {
-      tft.setFreeFont(FONT7);
-      tft.setTextColor(TFT_BLACK);
-      if (SNRold == 99) tft.drawRightString("--", 294, 166, GFXFF); else  tft.drawRightString(String(SNRold), 294, 166, GFXFF);
-      tft.setTextColor(TFT_YELLOW, TFT_BLACK);
-      if (tuned == true) {
-        tft.drawRightString(String(SNR), 294, 166, GFXFF);
-        SNRold = SNR;
-      } else {
-        tft.drawRightString("--", 294, 166, GFXFF);
-        SNRold = 99;
+    if (millis() >= snrupdatetimer + TIMER_500_TICK) {
+      snrupdatetimer = millis();
+
+      if (SNR > (SNRold + 1) || SNR < (SNRold - 1)) {
+        tft.setFreeFont(FONT7);
+        tft.setTextColor(TFT_BLACK);
+        if (SNRold == 99) tft.drawRightString("--", 294, 166, GFXFF); else  tft.drawRightString(String(SNRold), 294, 166, GFXFF);
+          tft.setTextColor(TFT_YELLOW, TFT_BLACK);
+        if (tuned == true) {
+          tft.drawRightString(String(SNR), 294, 166, GFXFF);
+          SNRold = SNR;
+        } else {
+          tft.drawRightString("--", 294, 166, GFXFF);
+          SNRold = 99;
+        }
       }
     }
 
@@ -3134,20 +3140,24 @@ void doSquelch() {
 }
 
 void updateBW() {
-  tft.setFreeFont(FONT7);
-  if (BWset == 0) {
-    if (screenmute == false) {
-      tft.drawRoundRect(249, 35, 68, 20, 5, TFT_WHITE);
-      tft.setTextColor(TFT_WHITE);
-    }
-    radio.setFMABandw();
-  } else {
-    if (screenmute == false) {
-      tft.drawRoundRect(249, 35, 68, 20, 5, TFT_GREYOUT);
-      tft.setTextColor(TFT_GREYOUT);
+  if (millis() >= bwupdatetimer + TIMER_500_TICK) {
+    bwupdatetimer = millis();
+
+    tft.setFreeFont(FONT7);
+    if (BWset == 0) {
+      if (screenmute == false) {
+        tft.drawRoundRect(249, 35, 68, 20, 5, TFT_WHITE);
+        tft.setTextColor(TFT_WHITE);
+      }
+      radio.setFMABandw();
+    } else {
+      if (screenmute == false) {
+        tft.drawRoundRect(249, 35, 68, 20, 5, TFT_GREYOUT);
+        tft.setTextColor(TFT_GREYOUT);
+      }
     }
+    tft.drawCentreString("AUTO BW", 282, 33, GFXFF);
   }
-  tft.drawCentreString("AUTO BW", 282, 33, GFXFF);
 }
 
 void updateiMS() {
diff --git a/src/TEF6686.h b/src/TEF6686.h
index 8a3a6bb..6f61666 100644
--- a/src/TEF6686.h
+++ b/src/TEF6686.h
@@ -19,6 +19,10 @@ enum RADIO_TUNE_MODE {
   TUNE_MAN, TUNE_AUTO, TUNE_MEM, TUNE_MI_BAND
 };
 
+#define TIMER_BW_TIMER             (TIMER_500_TICK)
+#define TIMER_SNR_TIMER            (TIMER_500_TICK)
+#define TIMER_500_TICK             500
+
 #define BAT_LEVEL_EMPTY            1600
 #define BAT_LEVEL_WARN             1700
 #define BAT_LEVEL_FULL             2270